Water quality COD (Chemical Oxygen Demand) detection device

Abstract

The utility model discloses a water quality COD (Chemical Oxygen Demand) detection device, and relates to the technical field of CODMn detection, the water quality COD detection device comprises a base, a plurality of counter bores are formed in the base at intervals, and a beaker is placed in any counter bore; a plurality of groups of detection devices for detecting color change of liquid in the beaker are arranged on the base; a plurality of stirring mechanisms are further arranged at the bottom of the base; and the plurality of detection devices and the plurality of stirring mechanisms are in one-to-one correspondence with the plurality of counter bores. The detection device is mounted on the base, double detection means of a photoelectric receiver and a camera can be adopted in COD detection titration, and meanwhile, a monitoring function is achieved, so that the detection stability and repeatability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of COD detection, in particular to a water quality COD detection device. Background Art

[0002] CODMn testing is primarily used to determine the content of organic matter and oxidizable inorganic matter in water bodies such as surface water, drinking water, and domestic sewage. It reflects the degree of organic contamination in water and is a key indicator for evaluating water quality. CODMn testing is subject to numerous factors, including varying reaction conditions such as temperature, heating time, and acidity, interference from chloride ions, and operational errors, all of which can affect test results.

[0003] Some existing detection devices for CODMn detection still have problems with low stability and repeatability during detection.

[0004] Therefore, a water quality COD detection device is proposed. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a water quality COD detection device.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A water quality COD detection device includes a base, wherein the base is provided with a plurality of countersunk holes at intervals, and a beaker is placed in any of the countersunk holes; the base is provided with a plurality of detection devices for detecting color changes of liquid in the beaker; the bottom of the base is also provided with a plurality of stirring mechanisms, and the plurality of the detection devices and the plurality of the stirring mechanisms correspond one-to-one to the plurality of the countersunk holes.

[0008] Furthermore, in the present invention, two through holes are symmetrically provided on both sides of any of the above-mentioned countersunk holes; any of the above-mentioned detection devices includes a photoelectric receiver and an LED lamp, and the above-mentioned photoelectric receiver and the above-mentioned LED lamp are respectively provided in the two above-mentioned through holes.

[0009] Furthermore, in the present invention, a camera is provided on the base near the photoelectric receiver, and the camera faces the interior of the countersunk hole.

[0010] Furthermore, in the present invention, any of the above-mentioned stirring mechanisms includes a motor arranged on the above-mentioned base, the output shaft of the above-mentioned motor is provided with a tray, the above-mentioned tray is located directly below the above-mentioned countersunk hole, two first magnetic blocks with opposite magnetic properties are arranged on the above-mentioned tray at intervals, and the second magnetic block is placed in the above-mentioned beaker.

[0011] Furthermore, in the present invention, a heating rod and a temperature sensor are also provided on the base.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a water quality COD detection device, which is installed on a base and can adopt dual detection means of a photoelectric receiver and a camera in COD detection titration, and has a monitoring function, thereby improving the stability and repeatability of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0015] Figure 2 This is the cross-sectional view of section AA in 1.

[0016] In the figure: 101 - base; 201 - beaker; 301 - photoelectric receiver; 302 - LED light; 401 - camera; 501 - motor; 502 - tray; 503 - first magnetic block; 504 - second magnetic block; 601 - heating rod; 701 - temperature sensor. DETAILED DESCRIPTION

[0017] The following will be combined with the embodiments to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0018] See also Figure 1 and Figure 2 , the utility model provides a technical solution:

[0019] A water quality COD detection device includes a base 101, and a plurality of countersunk holes are provided on the base 101 at intervals, and a beaker 201 is placed in any of the countersunk holes. A heating rod 601 and a temperature sensor 701 are installed on the base 101, and the heating rod 601 is used to heat the base 101 to keep the beaker 201 warm. The temperature sensor 701 is used to detect the real-time temperature of the base 101 to facilitate temperature control of the base 101. Several groups of detection devices for detecting color changes of the liquid in the beaker 201 are installed on the base 101. Several stirring mechanisms are also provided at the bottom of the base 101 to stir and mix the reagents in the beaker 201. The several detection devices and the several stirring mechanisms all correspond one-to-one to the several countersunk holes.

[0020] Reference Figure 2To facilitate the installation of the detection device, two through-holes are symmetrically provided on either side of any countersunk hole in this embodiment. Specifically, any detection device includes a photoelectric receiver 301 and an LED light 302, which are mounted in the two through-holes, respectively. When illuminated by the LED, the liquid in beaker 201 is illuminated, facilitating the operation of the photoelectric receiver 301.

[0021] Reference Figure 2 At the same time, in order to realize the auxiliary detection function and also enable real-time monitoring, a camera 401 is installed on the base 101 near the photoelectric receiver 301, and the camera 401 faces the inside of the countersunk hole.

[0022] In this embodiment, the optional stirring mechanism includes a motor 501 mounted on the base 101. A tray 502 is mounted on the output shaft of the motor 501. The tray 502 is located directly below the countersunk hole. Two first magnetic blocks 503 with opposite magnetic properties are spaced apart and mounted on the tray 502. A second magnetic block 504 is placed in the beaker 201. When the motor 501 is in operation, the two first magnetic blocks 503 with opposite magnetic properties rotate along with the tray 502. The magnetic attraction forces these two first magnetic blocks 503 and the second magnetic block 504 in the beaker 201 rotate accordingly, thereby achieving the purpose of mixing the water in the beaker 201.

[0023] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the concept described herein through the above teachings or techniques or knowledge in the relevant fields. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A water quality COD detection device, comprising a base (101), wherein the base (101) is provided with a plurality of countersunk holes at intervals, and a beaker (201) is placed in any of the countersunk holes, characterized in that: The base (101) is provided with a plurality of detection devices for detecting color changes of the liquid in the beaker (201); the bottom of the base (101) is also provided with a plurality of stirring mechanisms, and the plurality of detection devices and the plurality of stirring mechanisms correspond one-to-one to the plurality of sink holes.

2. A water quality COD detection device according to claim 1, characterized in that: Two through holes are symmetrically arranged on both sides of any of the countersunk holes; any of the detection devices comprises a photoelectric receiver (301) and an LED lamp (302), and the photoelectric receiver (301) and the LED lamp (302) are respectively arranged in the two through holes.

3. A water quality COD detection device according to claim 2, characterized in that: A camera (401) is provided on the base (101) near the photoelectric receiver (301), and the camera (401) faces the interior of the countersunk hole.

4. A water quality COD detection device according to claim 1, characterized in that: Any of the stirring mechanisms comprises a motor (501) arranged on the base (101), an output shaft of the motor (501) is provided with a tray (502), the tray (502) is located directly below the sink hole, two first magnetic blocks (503) with opposite magnetic properties are arranged on the tray (502) at intervals, and a second magnetic block (504) is placed in the beaker (201).

5. A water quality COD detection device according to claim 1, characterized in that: A heating rod (601) is also provided on the base (101).

6. A water quality COD detection device according to claim 5, characterized in that: A temperature sensor (701) is also provided on the base (101).

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